Compilare: main.cpp: In function 'void rezolva_linia(int, int)': main.cpp:31:16: warning: variable 'aux' set but not used [-Wunused-but-set-variable] double aux; ^~~ main.cpp: In function 'int main()': main.cpp:127:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("gauss.in", "r", stdin); ^ main.cpp:128:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("gauss.out", "w", stdout); ^ main.cpp:129:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &N, &M);///N linii M+1 intregi ^ main.cpp:132:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf", &coef[i][j]); ^